national rifle association chief wayne lapierre has vowed to lead a counter campaign against bloomberg's efforts to. in his weekly address on saturday, president obama called on lawmakers to pass gun control legislation, including a contentious assault weapons ban that has been dropped by senate democrats. >> these ideas should not be controversial. they are common-sense. they are supported by a majority of the american people. i urge the senate and house to give each of them a vote. as i have said before, we may not be able to prevent every act of violence in this country, but together we have an obligation to try. we have an obligation to do what we can. >> the police chief of omaha, nebraska is promising an investigation after video captured police throwing them into the street even though he did not appear to be resisting. on the recording, officers then appear to punch octavious johnson repeatedly while he is on the ground. johnson and his two brothers were arrested during the incident last week. their aunt said officers chased one of them into the house to try to seize the video do